<< >> NASA ASRS Report 696714, May 2006

MD80 flight crew has vibration after takeoff; enters holding; burns down to landing weight and diverts for landing.

Attributes
ACN	696714
Time
Date	200605
Local Time Of Day	1201 To 1800
Place
Locale Reference	navaid : bvr.vor
State Reference	CO
Altitude	msl single value : 8000
Environment
Flight Conditions	VMC
Light	Daylight
Aircraft 1
Controlling Facilities	tower : den.tower
Operator	common carrier : air carrier
Make Model Name	MD-83
Operating Under FAR Part	Part 121
Flight Phase	climbout : initial
Flight Plan	IFR
Person 1
Affiliation	company : air carrier
Function	flight crew : first officer
ASRS Report	696714
Person 2
Affiliation	company : air carrier
Function	flight crew : captain oversight : pic
ASRS Report	696908
Events
Anomaly	aircraft equipment problem : less severe maintenance problem : improper maintenance
Independent Detector	other flight crewa other flight crewb
Resolutory Action	flight crew : diverted to another airport flight crew : landed as precaution
Consequence	other
Supplementary
Problem Areas	Aircraft Flight Crew Human Performance
Primary Problem	Aircraft

Narrative:

Following an uneventful takeoff; the PNF raised the gear handle. After the lights went out there was a loud vibration as if the nose gear was spinning. There were no abnormal lights. The gear was recycled and the noise continued. We leveled off and told ATC we were working an issue. We entered holding to burn down fuel. The vibration continued during the burn down. Upon reaching landing weight; we landed on runway 35R and rolled to a stop on taxiway P7. Ground crew inspected the nose gear and found the right nose gear door extended. We returned to the gate.

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Original NASA ASRS Text

Title: MD80 FLT CREW HAS VIBRATION AFTER TKOF; ENTERS HOLDING; BURNS DOWN TO LNDG WT AND DIVERTS FOR LNDG.

Narrative: FOLLOWING AN UNEVENTFUL TKOF; THE PNF RAISED THE GEAR HANDLE. AFTER THE LIGHTS WENT OUT THERE WAS A LOUD VIBRATION AS IF THE NOSE GEAR WAS SPINNING. THERE WERE NO ABNORMAL LIGHTS. THE GEAR WAS RECYCLED AND THE NOISE CONTINUED. WE LEVELED OFF AND TOLD ATC WE WERE WORKING AN ISSUE. WE ENTERED HOLDING TO BURN DOWN FUEL. THE VIBRATION CONTINUED DURING THE BURN DOWN. UPON REACHING LNDG WT; WE LANDED ON RWY 35R AND ROLLED TO A STOP ON TXWY P7. GND CREW INSPECTED THE NOSE GEAR AND FOUND THE R NOSE GEAR DOOR EXTENDED. WE RETURNED TO THE GATE.

Data retrieved from NASA's ASRS site as of January 2009 and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.